After ten minutes, drain the liquid from the pot. At this point, there are a couple of ways to further heat-set the dye–you can do either, or one, or none:
The first option is to dump the soaking wet, vividly colored play silks straight into a microwave-safe container (if you don’t have a microwave, you can, of course, skip this step). I tend to use the same zip-top plastic bag over and over, but a lidded glass bowl will also do the trick nicely. Microwave the play silks for about two minutes to steam-set the dye.
The second option is to dump the soaking wet, vividly colored play silks straight into the clothes dryer, and dry them until they’re bone-dry to heat-set the dye.
When you’ve finished with one, or both, or none of these options, dump the dyed play silks (only one color at a time!) into your washing machine. Wash the play silks in hot water using your regular detergent (I use my homemade laundry soap, made with my homemade hot-process soap), with a second rinse and a good-sized glug of vinegar in the washer’s spot for the rinse aid.
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